CN201861799U - Distal humeral prosthesis - Google Patents
Distal humeral prosthesis Download PDFInfo
- Publication number
- CN201861799U CN201861799U CN 201020577227 CN201020577227U CN201861799U CN 201861799 U CN201861799 U CN 201861799U CN 201020577227 CN201020577227 CN 201020577227 CN 201020577227 U CN201020577227 U CN 201020577227U CN 201861799 U CN201861799 U CN 201861799U
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- CN
- China
- Prior art keywords
- prosthese
- humerus
- handle
- trochlea
- distal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/38—Joints for elbows or knees
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The utility model provides a distal humeral prosthesis which comprises a prosthetic humeral trochlea, a prosthetic humeral capitellum, a fork-shaped prosthetic stem, a medial epicondyle force columnar stem and a lateral epicondyle force columnar stem, wherein the fork-shaped prosthetic stem is connected with the medial epicondyle force columnar stem and the lateral epicondyle force columnar stem, the medial epicondyle force columnar stem is connected with the prosthetic humeral trochlea, the lateral epicondyle force columnar stem is connected with the prosthetic humeral capitellum, the prosthetic humeral trochlea is connected with the prosthetic humeral capitellum, the prosthetic humeral trochlea and the prosthetic humeral capitellum are obtained by imaging of a distal humerus, and the fork-shaped prosthetic stem, the medial epicondyle force columnar stem and the lateral epicondyle force columnar stem are obtained by three-dimensional imaging of the marrow cavity of the distal humerus. In the distal humeral prosthesis, the prosthetic humeral trochlea and the prosthetic humeral capitellum are obtained by imaging of the distal humerus, so that the size and the morphological structure of the distal humeral prosthesis meet the individual requirement for restoring the inherent structure of the distal humerus.
Description
Technical field
This utility model relates to medical domain, relates in particular to be fit to the artificial body of the humerus that compatriots use.
Background technology
Along with the understanding to elbow joint dissection and biomechanics deepens continuously, arthroplasty of elbow has remarkable progress, develops into the anatomical form joint of complicated unrestricted type from simple single shaft hinge.Nineteen twenty-seven just has the doctor to make distal humerus with rubber covering metal, at the mid-50 report metal prostheses replacing section or whole distal humerus is arranged afterwards.External non-limiting surface replacement prosthetic designs and application are more, as Ewald head, condyle prosthese and the Souter prosthese etc. of Kudo prosthese and European and American areas design.Owing to recognize that the distal humerus anatomical features is for the importance of realizing its physiological function, designed distal humerus prosthese should meet the anatomical position standard of elbow joint and satisfy its functional requirement, with the center of rotation of recovery elbow joint, thus the function and the long-term effect of performance artificial elbow joint.More and more the elbow joint inherent structure is imitated in this type of prosthetic designs with in using.
Mostly the distal humerus prosthese of present domestic use is the build, size by foreigner and designs.Prosthese and compatriots' anatomical structure according to the manufacturing of foreigner data there are differences, add the restriction of distal humerus prosthese model, when laying artificial body of the humerus, the prosthese of trochlea of humerus and capitulum of humerus partly is difficult to the form characteristics of match ulna and radius near-end, the coupling of prosthese handle and distal humerus pulp cavity does not reach stability requirement, directly influences the service life of prosthese.Since the defective of prosthetic designs, loosening easily or consequences such as slippage or limitation of activity behind the prosthetic replacement, and cause various complication.Therefore, be necessary distal humerus morphological parameters, design the distal humerus prosthese that really meets compatriots' anatomical structure and satisfy its functional requirement, the real individuation prosthetic designs that realizes " cutting the garment according to the figure " formula according to compatriots.
Summary of the invention
In order to solve the external import of the present employed artificial elbow joint main source of each clinical mechanism in the prior art, no matter from its parameter aspect such as price also, all do not meet the problem of compatriots' requirement, this utility model provides a kind of distal humerus prosthese.
A kind of distal humerus prosthese, comprise the trochlea of humerus prosthese, the capitulum of humerus prosthese, forked prosthese handle, medial epicondyle power post handle, lateral epicondyle power post handle, described forked prosthese handle and described medial epicondyle power post handle, lateral epicondyle power post handle connects, described medial epicondyle power post handle is connected with described trochlea of humerus prosthese, described lateral epicondyle power post handle is connected with described capitulum of humerus prosthese, described trochlea of humerus prosthese is connected with the capitulum of humerus prosthese, described trochlea of humerus prosthese, the capitulum of humerus prosthese gets described forked prosthese handle by the distal humerus imaging, medial epicondyle power post handle, lateral epicondyle power post handle is got by the three-dimensional pulp cavity imaging of distal humerus.
As further improvement of the utility model, the mode that described trochlea of humerus prosthese, capitulum of humerus prosthese are got by the distal humerus imaging is specific as follows: utilize CT to the distal humerus thin slice scan, collect the data information of distal humerus anatomical structure, by Data Format Transform and processing, its anatomic parameter is carried out statistical procedures and correlation analysis, utilize CAD/CAM software UG-NX that distal humerus is set up threedimensional model, and output rapid shaping prosthese, realize the design of distal humerus prosthese individuation.
As further improvement of the utility model, also comprise prosthese handle fixed axis, prosthese handle fixed screw, described prosthese handle fixed axis and prosthese handle fixed screw are arranged on the described forked prosthese handle, and described prosthese handle fixed axis cooperates with prosthese handle fixed screw and prevents the slippage of forked prosthese handle.
As further improvement of the utility model, comprise that also ulna prosthese pulley adheres to the place, radius prosthese pulley adheres to the place, the described ulna prosthese pulley place of adhering to is arranged on the rotating shaft ulnar side place of described trochlea of humerus prosthese and capitulum of humerus prosthese complex, and the described radius prosthese pulley place of adhering to is arranged on the rotating shaft oar side place of described trochlea of humerus prosthese and capitulum of humerus prosthese complex.
This utility model is on the basis of the anatomic measurement of three-dimensional pulp cavity imaging, morphology research and distal humerus multiple parameters to distal humerus, its anatomic measurement parametric statistic is handled and correlation analysis the selection and the reckoning of distal humerus prosthese individuation design parameter; Realize pulp cavity three-dimensional modeling and prosthese rapid shaping.Trochlea of humerus prosthese and capitulum of humerus prosthese are got by the distal humerus imaging, its size, morphosis meet individuation and require (recovering its inherent structure), forked prosthese handle, medial epicondyle power post handle, lateral epicondyle power post handle are got by the three-dimensional pulp cavity imaging of distal humerus, the fixedly effect of trochlea of humerus prosthese, capitulum of humerus prosthese complex is arranged, prosthese handle fixed axis, fixed screw can prevent the slippage of prosthese handle, and ulna, the radius prosthese pulley place of adhering to help recovering the requirement of elbow joint prosthese center of rotation.
[description of drawings]
Fig. 1 is a kind of distal humerus borrowed structure of this utility model sketch map.
Each component names is as follows among the figure:
Trochlea of humerus prosthese 1, capitulum of humerus prosthese 2, forked prosthese handle 3, medial epicondyle power post handle 4, lateral epicondyle power post handle 5, prosthese handle fixed axis 6, prosthese handle fixed screw 7, ulna prosthese pulley adhere to place 8, radius prosthese pulley adheres to place 9.
[specific embodiment]
Below in conjunction with the description of drawings and the specific embodiment this utility model is further specified.
A kind of as shown in Figure 1 distal humerus prosthese, comprise trochlea of humerus prosthese 1, capitulum of humerus prosthese 2, forked prosthese handle 3, medial epicondyle power post handle 4, lateral epicondyle power post handle 5, described forked prosthese handle 3 and described medial epicondyle power post handle 4, lateral epicondyle power post handle 5 connects, described medial epicondyle power post handle 4 is connected with described trochlea of humerus prosthese 1, described lateral epicondyle power post handle 5 is connected with described capitulum of humerus prosthese 2, described trochlea of humerus prosthese 1 is connected with capitulum of humerus prosthese 2, described trochlea of humerus prosthese 1, capitulum of humerus prosthese 2 gets described forked prosthese handle 3 by the distal humerus imaging, medial epicondyle power post handle 4, lateral epicondyle power post handle 5 is got by the three-dimensional pulp cavity imaging of distal humerus.The mode that described trochlea of humerus prosthese 1, capitulum of humerus prosthese 2 are got by the distal humerus imaging is specific as follows: utilize CT to the distal humerus thin slice scan, collect the data information of distal humerus anatomical structure, by Data Format Transform and processing, its anatomic parameter is carried out statistical procedures and correlation analysis, utilize CAD/CAM software UG-NX that distal humerus is set up threedimensional model, and output rapid shaping prosthese, realize the design of distal humerus prosthese individuation.Also comprise prosthese handle fixed axis 6, prosthese handle fixed screw 7, described prosthese handle fixed axis 6 is arranged on the described forked prosthese handle 3 with prosthese handle fixed screw 7, and described prosthese handle fixed axis 6 cooperates with prosthese handle fixed screw 7 and prevents forked prosthese handle 3 slippages.Comprise that also ulna prosthese pulley adheres to place 8, radius prosthese pulley adheres to place 9, described ulna prosthese pulley adheres to the rotating shaft ulnar side place that place 8 is arranged on described trochlea of humerus prosthese 1 and capitulum of humerus prosthese 2 complexs, and described radius prosthese pulley adheres to the rotating shaft oar side place that place 9 is arranged on described trochlea of humerus prosthese 1 and capitulum of humerus prosthese 2 complexs.
Mostly the distal humerus prosthese of present domestic use is the build, size by foreigner and designs.Prosthese and compatriots' anatomical structure according to the manufacturing of foreigner data there are differences, and can not blindly use.Because the restriction of distal humerus prosthese model, when laying artificial body of the humerus, the prosthese of trochlea of humerus and capitulum of humerus partly is difficult to the form characteristics of match ulna and radius near-end, and the coupling of prosthese handle and distal humerus pulp cavity does not reach stability requirement.Compatriots' distal humerus anatomic parameter regional difference is not obvious, and therefore, according to compatriots' distal humerus morphological parameters, the distal humerus prosthese of design is applicable to domestic, can really meet compatriots' anatomical structure and satisfy its functional requirement.The elbow joint prosthese is because of diseases such as rheumatoid arthritis, traumatic arthritis, supracondylar fracture of the humerus and nonunion, constitutional arthritis and tumors, and each big medical institutions is constantly increasing its demand.No matter the external import of the present employed artificial elbow joint main source of each clinical mechanism from its parameter aspect such as price also, does not all meet compatriots' requirement.The design relation of artificial prosthesis is the key that the postoperative elbow joint function recovers to the change of ancon biomechanics, directly influences the service life of prosthese.Prosthetic designs defective or method for implantation are improper all can to cause postoperative prosthese shakiness, and then causes consequences such as prosthese dislocation or elbow joint limitation of activity, and can cause multiple complications, and therefore, scientific and rational prosthetic designs and method for implantation are very important.
Above content be in conjunction with concrete preferred implementation to further describing that this utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from this utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. distal humerus prosthese, comprise trochlea of humerus prosthese (1), capitulum of humerus prosthese (2), forked prosthese handle (3), medial epicondyle power post handle (4), lateral epicondyle power post handle (5), it is characterized in that: described forked prosthese handle (3) and described medial epicondyle power post handle (4), lateral epicondyle power post handle (5) connects, described medial epicondyle power post handle (4) is connected with described trochlea of humerus prosthese (1), described lateral epicondyle power post handle (5) is connected with described capitulum of humerus prosthese (2), described trochlea of humerus prosthese (1) is connected with capitulum of humerus prosthese (2), described trochlea of humerus prosthese (1), capitulum of humerus prosthese (2) gets described forked prosthese handle (3) by the distal humerus imaging, medial epicondyle power post handle (4), lateral epicondyle power post handle (5) is got by the three-dimensional pulp cavity imaging of distal humerus.
2. a kind of distal humerus prosthese according to claim 1, it is characterized in that: also comprise prosthese handle fixed axis (6), prosthese handle fixed screw (7), described prosthese handle fixed axis (6) and prosthese handle fixed screw (7) are arranged on the described forked prosthese handle (3), and described prosthese handle fixed axis (6) cooperates with prosthese handle fixed screw (7) and prevents forked prosthese handle (3) slippage.
3. a kind of distal humerus prosthese according to claim 1 and 2, it is characterized in that: comprise that also ulna prosthese pulley adheres to place (8), radius prosthese pulley adheres to place (9), described ulna prosthese pulley adheres to the rotating shaft ulnar side place that place (8) is arranged on described trochlea of humerus prosthese (1) and capitulum of humerus prosthese (2) complex, and described radius prosthese pulley adheres to the rotating shaft oar side place that place (9) is arranged on described trochlea of humerus prosthese (1) and capitulum of humerus prosthese (2) complex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020577227 CN201861799U (en) | 2010-10-26 | 2010-10-26 | Distal humeral prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020577227 CN201861799U (en) | 2010-10-26 | 2010-10-26 | Distal humeral prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201861799U true CN201861799U (en) | 2011-06-15 |
Family
ID=44132967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020577227 Expired - Fee Related CN201861799U (en) | 2010-10-26 | 2010-10-26 | Distal humeral prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201861799U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106974747A (en) * | 2012-06-22 | 2017-07-25 | 捷迈有限公司 | Elbow prosthese |
| CN107072789A (en) * | 2014-10-21 | 2017-08-18 | 泰克里斯公司 | Ancon distance piece |
| CN111603277A (en) * | 2020-05-28 | 2020-09-01 | 北京市春立正达医疗器械股份有限公司 | Humerus distal prosthesis |
-
2010
- 2010-10-26 CN CN 201020577227 patent/CN201861799U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106974747A (en) * | 2012-06-22 | 2017-07-25 | 捷迈有限公司 | Elbow prosthese |
| US10195040B2 (en) | 2012-06-22 | 2019-02-05 | Zimmer, Inc. | Elbow prosthesis |
| CN106974747B (en) * | 2012-06-22 | 2019-06-04 | 捷迈有限公司 | Elbow prosthese |
| CN107072789A (en) * | 2014-10-21 | 2017-08-18 | 泰克里斯公司 | Ancon distance piece |
| CN111603277A (en) * | 2020-05-28 | 2020-09-01 | 北京市春立正达医疗器械股份有限公司 | Humerus distal prosthesis |
| CN111603277B (en) * | 2020-05-28 | 2024-05-17 | 北京市春立正达医疗器械股份有限公司 | Distal humerus prosthesis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20111026 |